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CDCS504-Q1: CDCS504-Q1 FS pin

Part Number: CDCS504-Q1

Hi Team,

I have a question about the FS pin of CDCS504-Q1.

The datasheet shows that FS= low makes output frequency equal to input frequency. In this case, can the FS pin be connected to GND directly?

The pin description says FS pin is internal pullup but there is no internal schematic of FS pins.

Should it be connected to GND via resistor?

I just want to confirm how to connect FS pin. Which way is better?

Regards,

Mamoru Uozu